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Heavy metal concentrations in female wild mink (Neovison vison) in Sweden: Sources of variation and associations with internal organ weights
Swedish Univ Agr Sci, Div Reprod, Dept Clin Sci, Uppsala, Sweden..
Swedish Univ Agr Sci, Div Reprod, Dept Clin Sci, Uppsala, Sweden..
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - BMC, Analytical Chemistry.
Swedish Univ Agr Sci, Div Reprod, Dept Clin Sci, Uppsala, Sweden..
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2017 (English)In: Environmental Toxicology and Chemistry, ISSN 0730-7268, E-ISSN 1552-8618, Vol. 36, no 8, p. 2030-2035Article in journal (Refereed) Published
Abstract [en]

The American mink is an invasive species in Sweden, and it is legally hunted all year. Therefore, the mink is well suited as a sentinel species for environmental monitoring. In the present study female mink (n = 91) from 6 different areas in Sweden were analyzed for the concentrations of silver, cadmium, mercury and lead in liver tissue using inductively coupled plasma mass spectrometry. The wet concentrations in liver tissue were 42.6 +/- 52.7 ng/g for silver, 99.5 +/- 100 ng/g for cadmium, 652 +/- 537 ng/g formercury, and 196 +/- 401 ng/g for lead (expressed as mean + standard deviation). There were associations between the sample area and the concentrations of silver, lead, and mercury. The concentrations of lead and cadmium varied with season of capture and lead, cadmium, and mercury were positively associated with increasing age. Relative liver weight was positively associated with concentrations of mercury and negatively associated with lead and cadmium. Relative kidney weight was negatively associated with lead concentrations. In summary, it is of importance to take age and season of capture into account when assessing levels of heavy metals in wild mink. Also, liver and kidneys seem to be potential targets for heavy metal toxicity in wild female mink in Sweden.

Place, publisher, year, edition, pages
2017. Vol. 36, no 8, p. 2030-2035
Keyword [en]
Wildlife toxicology, Metal accumulation, Metal toxicity, Mink, Liver, Kidney
National Category
Environmental Sciences Pharmacology and Toxicology
Identifiers
URN: urn:nbn:se:uu:diva-333514DOI: 10.1002/etc.3717ISI: 000406398400011OAI: oai:DiVA.org:uu-333514DiVA, id: diva2:1158384
Available from: 2017-11-20 Created: 2017-11-20 Last updated: 2018-01-13Bibliographically approved

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